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For questions on limits and colimts in the sense of category theory, and related notions.

4 votes

Exactness of filtered colimits

A counterexample which is non-trivial is given in Chapter 6 of Neeman's book Triangulated Categories. The category in question is the full subcategory of additive functors Cat(S^{op}, Ab) where S sati …
Greg Stevenson's user avatar